:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #94a3b8;
    --border-radius: 0.5rem;
    --transition: all 0.3s ease;
    --shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    --shadow-hover: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.font-medium{
        box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4) !important;

}
.font-medium:hover{
        box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6) !important;

}

.bidur{
        box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
    padding: 14px;
    font-size: 1.2rem;
}
body {
    font-family: 'Poppins', sans-serif;
    background-color: black;
    color: var(--light);
    margin: 0;
    overflow-x: hidden;
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background-color: var(--dark);
}

.navbar {

    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 80px 10% 0;
    position: relative;
    justify-content: space-evenly;
    gap: 2rem;
}

.hero-container .hero-image {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInUp 1s ease-out;
}

.hero-container .hero-image svg {
    position: absolute;
    z-index: -1;
    top: 50px;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-container .hero-image .img {
    overflow: hidden;
    border-radius: 50%;
    transition: var(--transition);
}

.hero-container .hero-image .img:hover {
    transform: scale(1.05);
}

.hero-container .hero-image .img img {
    width: 100%;
    height: auto;
    display: block;
}

.hero-container .hero-image .social-links {
    justify-content: center;
    margin-top: 59px;
}
.hero-content {
    max-width: 600px;
    z-index: 2;
    animation: fadeInLeft 1s ease-out 0.3s both;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.greeting {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 400;
}

.name {
    font-size: 3.6rem;    font-weight: 700;
    margin: 0;
    line-height: 1.2;
    background: linear-gradient(90deg, #00FFFF, #8A2BE2);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.title {
    font-size: 2.5rem;
    font-weight: 600;
    margin: 1.5rem 0;
    color: var(--gray);
}

.highlight {
    color: var(--primary);
    font-weight: 600;
}

.about {
    font-size: 1.1rem;
    line-height: 1.8;
    margin: 2rem 0;
    color: var(--gray);
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    color: white;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
    justify-content: center;
}

.social-links a {
    color: var(--gray);
    font-size: 1.5rem;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.1);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    color: var(--primary);
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* Utility Classes */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Navigation Enhancements */
.nav-link {
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), #8A2BE2);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile Menu Improvements */
#mobile-menu {
    backdrop-filter: blur(10px);
    background: rgba(15, 23, 42, 0.95);
    border-radius: 0 0 1rem 1rem;
    margin-top: 1px;
}

#mobile-menu a {
    transition: var(--transition);
    border-radius: var(--border-radius);
    margin: 0.25rem;
}

#mobile-menu a:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: translateX(5px);
}

/* Footer Improvements */
footer {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.9));
    backdrop-filter: blur(10px);
}

footer a {
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary) !important;
    text-decoration: underline;
}

/* Accessibility Improvements */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius);
    z-index: 100;
    transition: var(--transition);
}

.skip-link:focus {
    top: 6px;
}

/* Focus States */
*:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

button:focus,
a:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .hero-container .hero-image .img {
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid white;
    }
    
    .social-links a {
        border: 1px solid var(--gray);
    }
}

/* Mobile and Tablet Responsiveness */
@media (max-width: 1200px) {
    .hero-container {
        padding: 80px 8% 0;
    }
    
    .hero-container .hero-image svg {
        top: 34px;
    }
    
    .about {
        font-size: 1rem;
    }
    
    .name {
        font-size: 3rem;
    }
}

@media (max-width: 1000px) {
    .hero-container {
        padding: 80px 5% 0;
        text-align: center;
        flex-direction: column;
        gap: 3rem;
    }

    .name {
        font-size: 2.5rem;
    }

    .title {
        font-size: 2rem;
    }

    .social-links {
        justify-content: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .hero-container {
        padding: 100px 5% 0;
        gap: 2rem;
    }
    
    .hero-container .hero-image {
        margin-top: 20px;
    }
    
    .hero-container .hero-image img {
        height: 300px !important;
        width: 300px !important;
    }
    
    .hero-container .hero-content {
        margin-top: 20px;
    }
    
    .name {
        font-size: 2rem;
    }
    
    .greeting {
        font-size: 1.3rem;
    }
    
    .about {
        font-size: 0.95rem;
    }
    
    .btn {
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
    }
    
    .social-links a {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .hero-container {
        padding: 90px 3% 0;
    }
    
    .hero-container .hero-image img {
        height: 250px !important;
        width: 250px !important;
    }
    
    .name {
        font-size: 1.8rem;
    }
    
    .greeting {
        font-size: 1.2rem;
    }
    
    .about {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .social-links {
        gap: 1rem;
    }
    
    .social-links a {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}